{
  "bibcode": "2004GCN..2534....1G",
  "body": "A. Gomboc, J.M. Marchant, R.J. Smith, C.J. Mottram and S.N. Fraser \n(Astrophysics Research Institute, Liverpool John Moores University)\n\nThe Faulkes Telescope North (Hawaii) observed the field of the INTEGRAL\nGRB 040223 (Gotz et al., GCN 2525) during commissioning testing starting\non 23 February at 15:02:19 UT (1.5 hours after the burst). 17 exposures\nranging from 100 to 300 seconds were taken before twilight became too  \nbright to continue.\n\nNo optical counterpart was identified with an SDSS r'-band magnitude r' <\n18.\n\nFurther optical observations are not planned.",
  "circularId": 2534,
  "createdOn": 1077816156000,
  "email": "ag@astro.livjm.ac.uk",
  "subject": "GRB 040223 : Optical observation (non-detection)",
  "submitter": "Andreja Gomboc at LT,ARI,Liverpool JMU  <ag@astro.livjm.ac.uk>",
  "eventId": "GRB 040223"
}